The building materials industry in Montana is a significant contributor to the state's economy. Montana's abundant natural resources, including timber, minerals, and stone, have made it a hub for the production of building materials. The state's building materials industry includes the production of lumber, cement, concrete, and stone products. Montana's lumber industry is particularly important, with the state being home to several large sawmills that produce a variety of wood products. Additionally, Montana's cement and concrete industries are also significant, with several large cement plants located throughout the state. The stone industry in Montana is also notable, with the state being home to several quarries that produce a variety of stone products, including granite, sandstone, and limestone. Overall, the building materials industry in Montana plays a vital role in the state's economy, providing jobs and contributing to the growth and development of the state's infrastructure.